Are you referring to a board supplier or component supplier ?- all board
suppliers can provide lead free finishes today - Immersion tin, Enig,
immersion silver and OSP -that will solder with ordinary tin lead solder
alloy and with the lead free solders
Dougal Stewart

email:  [log in to unmask]
phone: +44 1896 822204
mob:    +44 7984 629667
----- Original Message -----
From: "Atkinson, Neil" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, March 14, 2002 5:22 PM
Subject: [TN] lead Free


> One of our suppliers is 'proposing' a new lead free finish which he says
> will solder perfectly well with 'normal' SnPb solder as well as Lead Free.
>
> The finishes they are proposing are SnAg, SnBi and SnCuAg.  my question
is,
> Does anyone have experience with using these finishes through a normal
> process and are there any 'pitfalls' top look out for.
>
> There is a lot of talk about total Pb free processes but what about the
> interim - are the new finishes 'backwards compatible'!!
>
> Thanks in anticipation of everyone's responses.
>
> Neil
>
>
>
>
>
>
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